Garbage burner



Patented May 24, 1932 .UNITED STATES PATENT oF GLAnYs R. HCWLE, 0F CHICAGO, rLLINoIs, AssIGNoR 'ro ERNEST o. HOWLE, or

' CHICAGO, ILLINOIS. l Y

GARBAGE BURNER Application led January 17, 1929. vSerial No. 333,060. v

The above, other and further objects of the vThis invention relates to a garbage burner and particularly to a small, compact, eiiiclent garbage burner for household use. An object of the invention is to provlde a compact, eicient garbagek burner for household use which will readily burn garbage and trash in aneilicient and expeditious manner. Another object of the .invention is to provide a garbage burner having air ducts in the side walls of the combustion chamber Which ducts are open from top t0 bottom to the combustion chamber. Y A further object of the invention is to provide a garbage burner having air ducts in the side Walls of the combustion chamber which ducts serve as air flues and also as structural elements of the garbage burner.

A still further object of the invention is to provide a garbage burner having spaced air ducts open from top to bottom with the intervening spaces between the ducts filled with plastic material such as iire clay for provlding-a lining for the garbagev burner, the ducts serving to retain the lining in the walls so formed. Y

A yet further object of the invention 1s to provide a garbage burner having a gas Jet directed against the material within the com-' bustion chamber and Ia shelf serving to prevent the mass within the garbageburncrfrom clogging the et.

Another and further object of the invention is to provide al garbage burner with air ducts communicating with the ash pit and passing upwardly therefrom which ducts are open from top to bottom in communication with the combustion chamber the ducts diverging from topto bottom to allow ready removal of any foreign matter in the same.

Another and still further object of the invention is to provide a garbage burner having air ducts in the walls-of the combustion chamber and in which a flange is provided defining the grate opening which iiange is apertured at intervals with the ducts communicating with the apertures of the Aflange together with plastic lining material inserted between the ducts there being anchoring means vfor maintaining the lining between the ducts.

invention will be apparent from the following description, accompanying'drawi'ngs and appended claims.

One form of the invention is illustrated inv the accompanying drawings and the views thereof are as followsz` l Figure 1- is a perspective view of a garbage burner embodying this invention.

Figure 2 is an enlarged fragmentalverti-V cal section through a garbage burner embodying the invention taken on Figure 3. y

Figure 3 is a horizontal section taken on line III- III of Figure2.

Figure 4 is a perspectiveV view of one of the air ducts. e

Figure 5 is a fragmental partial sectional view showing one means for associating the air ducts with the grate supporting flange member. e

@ne ofthe successful requirements for operation of a garbage burner of the type of this invention is that air be circulated about Vthe mass of garbage and trash in the garbage burner for the purpose of drying the garbage. It is well recognized that air will not pass,V througha pile of wet garbage, hence air mustl be circulated about the garbage in a garbage. burner for drying purposes.

The garbage burner embodying this invention contemplates the pro-vision of vertically disposed air ducts in the wall of the combus: tionV chamber which ducts are open to the chamber from top to bottom with the circulation of air entering saidducts from below the gra-te passing upwardly about the mass of garbage in the chamber.

`Figure l discloses a garbage burner em-v bodying this inventionwhich garbage burner in its completed form is small and compact, occupyingrelatively little floor space. It is possible to construct a garbage burner embodying this invention and whichwill effectively burn garbage in a size as small as 18 X 20 inches in floor plan and 40 inches in height.

The garbage burner shown in Figure l includes a casing l secured in any suitable manner to a-bottom 2 which bottom is supported the line II-.II off FICE- `by. feet or legs 3 on the floor. The bottom QYand the legs 3 may be an integral casting or may beef structural elements assembled as desired.

A grate supporting member made in the shape of a ring, 4 has .a flat surface 5, an outer depending flange '6 whichv isffsecured in the structure of the garbage burner in any suitable manner as a central shelf 7 which shelf form-s asupport-for --a grate. Theepening deiined bythe shelf 7 is large enough vr'so that the ashesof the matter burned in the combustion chamber A will fall downwardly into an ash boX 8 supported Aon .theibottom 2 of the garbage burner. The ring 4 is shapedv to lconform to -tli-e contour of thegarbage burner which inthe drawings is shown asv rectangular although it may of course be of any other desired shape and siae.

The .ri-ng 4 is provided atl intervals Jin its lengtliwith a plurality of apertures 9 spaced in the ring. The apertures 9 in tliepresent drawings :are sliownvas triangular in plan.

A grate 10 ,shaped to conformto the-space 5 defined 'by fthe shelf 7 of the ring-4 and in the illustrated :drawings: shown :as an Vintegral casting .isremovfabl y supported `onthe' shelf .7.

The spaces between the grate bars aregsu'ch as toer-allow tin .cans .and the like to pass through the grate into the ashfdfrawer 8y forremoval.

l Figure .-4 shows aperspective view of one of the air ducts employed in this invention. The duct may be madeof Acast metal or of sheet rI-ietal.formed to prop.er:shape and size.

The-duct illustrated herein 'comprisesa ,rear face 11, two side faces 12 and 18 which conr ver-gewith-fthe marginal :edges :14and15 :bent outwardly away from each other to provide flan-ges with the space` between the. flanges serving as .an openingwhe-n the 'ducts vare applied in position; rllhe-,gap 16 formed ibetween the tianges- 14 and 1,5 preferably con- Y verges from the bottom o-ftlie duct to the top:

The .duct is ralsomade so vthat .the `same tapers upwardly from the bottom.

in communication withthe aperture 9.; 'It is" of. course within the 'contemplation Vof---this` invention that a Aridge or rib might Abe `formed on the duct member and supported on the ring 4j-with the lower end of the duct .entereA ing the zaperture 9. Other means ofsecuring thesefparts together may be employed as desired. i f

.The .combustion chamber A isy formed/Eby applying ia 'plurality of .the `ducts .to .the aper- I tures `9 in the ring 4in the.manner describedv against the outer sheeting of the garbage,

burner and then filling the spaces between the several ducts with plastic material such as fire clayand the like thereby forming a liner 18'. Plastic material is disposed so as to be flush. with the flanges 14 aud 1-5of the ducts which flanges overlie thematierial 181m lock the same in the wall formed by the air duct-s and the plastic material. In this manner the l`combu-'stionchamber A is provided with a smooth Wall the greater portion of which is of Lfire clay or similar material and a smaller portionis of the metal flanges of the several ducts,v l Y A gas pipeV 19 vpasses into the garbage btmnerfthrau'gh; one `ofl thev walls rof ythe .same

and has va fet 29sdispzosed near` one `of thewalls:r of the combustionfchfamber:and has itsaend.

preferably @bent upwardly.. .A :shelf: k21 curved i-n'end elevation lissecured 'to the. Wal-l of the garbage burner :adiacenlt the :hunner` 2O and is arranged to oyierlfie the burner 20v suoli relation as Vto .prevent .any :of ftheigarba'fge or ztnash in the combustionV chamber fromf reach/iin gna-nd thereby cloggingfthe burner .20;

The width fof the .self 21 is suchcas toqamplyprotect the burner 20 in this-regard. f The shelf 21 may ifdesred fbe perforatedy .te aid the air r.circulationY within the combustion chamber A.v

A valve 22 is inserted on and .oft the gas.

burner .adjacent the burner QO- for the purposeeof access to the ,burner vfor lighting saine. Said vdoor. .liasfa slideQt-thenein .for

regulation -ofpltheadmission of :air tothecombust-ion A`chamber A.4 y. An V.ashi .door 25` is ar ranged at the lower part of the garbage burner whereby the ash tray toiftlr-aanvser :Sfmay be withdrawn and retur-ned-topositioa l outwardly of the A.garbage buizner 'for turning;`

fr A. -door ,2G is provided-in the topwof .the l garb age burner whe reby garbage and E trash;

may :be emptied f intothe --combustion chamber A. A pipe connection 27 is provided near ther-ear of .the garbage burner.. y

The operation ofthe garbage burnerfis-as' follows ,The Acombustion ychamber A is filled garbage and trash and the gas jet 20'isQl-iglited.v

lltis ya well recognized. fact that Wetfgarlaagel will 'not .allow .the passage of -a-iirtlietrethr-.ough;A

Hence the air .admitted .tothe interior ofthe garbageburner ypassesthrough -t-he door 123 downwardly through the ring 4 .into the-ash pit f and'A then` vugpwardly through. the several ductsv disposed in the walll of thecombustion n The ,air escapes fromitlrese Y :ducts and overlies the fmassof garbage whereverthe garbage'y is 'out`- of-.fcontactwith :thewductsfchamber.

Aki-.rin .its passage .as j ust" describednecessarily absorbs some Yheat from :the :gas burner aids in v dryingv the exteriorqof; the imassffofl garbage in the chamber A. The gas #.jetQOisi allowed to burn for a relatively short period of time until suflicient of the garbage is dried so that the same ignites burning the garbage and also drying the balance of the mass within the combustion chamber. This continues until all of the garbage and trash has been reduced to ashes which ashes fall through into the ash drawer 8 for removal. The tapering of the air ducts as well as the tapering of the apertures 16 in the same is for the purpose of dislodging any foreign matter which perchance may enter the ducts as a poker or like instrument may be very readily run down the ducts from the top dislodging the foreign matter whereby the same readily falls outwardy of the ducts into the ash pit.

It will be observed that air circulation is all about the mass of garbage within the combustion chamber. Such circulation therefore hastens the drying of the garbage and a consequent burning of the same. It will furthermore be noted that the circulation of air is through the walls of the combustion chamber and not through the mass of garbage as it has been found that air circulation through the mass of garbage is not possible. It has been found that a garbage burner constructed in accordance with this invention burns the garbage very readily and without odor and with a relatively small amount of gas c-onsumption.

The invention is directed primarily to a small garbage burner for household use but of course may be used with a garbage burner of any size and shape attention being paid to the proper arrangement and proportions of part It will be observed that the grate l-O is verv readily removable from itsshelf 7 for the purposes of replacement and cleaning and repair. In fact, the whole garbage burner is one which is very simple to construct and one which is very eiicient in operation under all conditions and with all kinds of garbage and trash. The protection of the gas burner is ample to prevent clogging of the samel under all conditions of service and with all classes of garbage thereby resulting in an efficient, practical and usable garbage burner.

Should it be desired to line the combustion chamber A with bricks or the like, instead of plastic material, as herein described, then the bricks would be so shaped as to provide the vertical air ducts and the metallic ducts could, if desired, be omitted.

It will be obvious that the curved shelf 21 will tend to direct garbage and trash lodged thereon towards the center of the chamber, and that a space for air is defined by the shelf, the wall of the chamber, the grate, and garbage lying on the grate. It will be equally obvious that the air heated by the gas jet in the space so defined will be deflected by the curved under surface of the shelf towards the down-draft outlet 9.

The invention has been described herein more or less precisely, yet it is to be understood that changes may be made in the arrangement and proportions of parts, and that equivalents may be substituted without departing from the spirit and scope of the invention.

The invention is claimed as follows:

1. A garbage burner including in combination, an outer casing, a combustion chamber, a grate supporting frame in the lower end of said chamber, a grate supported by said frame, said frame being provided with spaced apertures adjacent said casing, a plurality of spaced vertically disposed hollow members in communication with the apertures in said frame, said members being open to the combustion chamber from top to bottom, a gas burner within said chamber and at one side thereof, air admission ports in said casing communicatingwith said gasburner, a deflector curved inwardly and downwardly and spaced in overlying relation to said gas burner to protect said gas burner and to direct incoming air downwardly past said burner. Y

2. A garbage burner including in combination, an outer casing, a chamber, a grate dividing the chamber into a combustion chamber and an ash pit, a plurality of spaced vertically disposed hollow members in the combustion chamber, said members being open to the combustion space from top to bot-k tom and opening into the ash pit at their lower ends, a gas burnerin the combustion chamber at a substantial distance above said grate and overlying a portion of said grate, a deflector curved inwardly and downwardly and spaced in overlying relation to said gas burner vto protect saidburner, said deflector extending over a substantial portion of said grate, and air inlet means in a side of said casing opening into the combustion chamber.

In testimony whereof I have hereunto subscribed my name at Chicago, Cook Coimty,

Illinois.

GLADYS R. I-IOWLE. 

